code: def test_randomOrder_length(self):
      ord = randomOrder(10)
  
      t = 0
      indices = []
  
      while t is not None:
          indices.append(t)
          t = ord.next()
  
      assert len(indices[1:]) == 10
  
file_path: matrixprofile-ts/tests/test_order.py
imports: from matrixprofile.order import *
  import numpy
  import pytest
label_desc: Use image node_id 3 for calling the TestClass obj's underlying member method code with example usage: obj.test_randomOrder_length() without return types